/*
 * Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

package org.box2dflash.collision {
	import org.box2dflash.collision.*;
	import org.box2dflash.collision.shapes.*;
	import org.box2dflash.common.math.*;

	/// This structure is used to report contact points.
	public class ContactPoint {
		public var shape1:Shape;						
		///< the first shape
		public var shape2:Shape;						
		///< the second shape
		public var position:Vec2 = new Vec2();		
		///< position in world coordinates
		public var velocity:Vec2 = new Vec2();		
		///< velocity of point on body2 relative to point on body1 (pre-solver)
		public var normal:Vec2 = new Vec2();		
		///< points from shape1 to shape2
		public var separation:Number;					
		///< the separation is negative when shapes are touching
		public var friction:Number;						
		///< the combined friction coefficient
		public var restitution:Number;					
		///< the combined restitution coefficient
		public var id:ContactID = new ContactID();	///< the contact id identifies the features in contact
	}
}